Lot 477

International Watch Co., Schaffhausen "The Big Aviator's Watch", Case No. 2885882, Ref. 5002, 46 mm, circa 2003
An aviator's large and heavy automatic wristwatch with 7 day power reserve indicator and date
Case: steel, screw back with engraving, protection cap against magnetism, screwed crown, IWC steel deployant clasp. Dial: black. Movm.: rotorwind movement with Pellaton winding, Glucydur balance.
The Big Aviator's Watch
Since 2002, the Big Aviator's Watch has been IWC's flagship. Its IWC-manufactured 51111 calibre - one of the largest automatic movements in the world - contains all the features that have proved their worth in the long history of IWC mechanical watches. Within no time at all, the automatic movement generates a power reserve of 8.5 days, but only runs for 7 before an ingenious little mechanism automatically stops it. This is because the torque that drives the movement decreases as the mainspring winds down, leading to a loss of amplitude in the balance and the unacceptable possibility of inaccuracy.
Source: www.iwc.com, as of 26.02.2009

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